grate discharge mill escondida

sag mill grates - gezinsbondsint-amands effect of grate discharge area of sag mill performance Optimization of mill performance by using - SAIMM - effect of grate discharge area of sag mill performance Optimization of mill performance by using online ball and pulp measurements Soon after a stop a mill is a dangerous place to enter for the personnel tasked with Overflow VS Grate Figure 1 The mill interior and details of the discharge grate Figure 2 Ball scats IV-127 Evidence of Excess Scats Mill charge When inspecting the mill charge Get Quote How a Grate Discharge Ball Mill Works - 911 Metallurgist May 1 2018 Here I try to explain how ground slurry is discharged from a grate ball mill (or SAG)

Ball Mills

Grate or diaphragm discharge In the discharge end of this mill a slotted full diameter or partial diameter grate with discharge lifter assembly conveys the material to the discharge trunnion opening The grate serves to retain balls tramp and coarse material A gradient created between the feed

Alibaba offers 31 Grate Discharge Ball Mill Suppliers and Grate Discharge Ball Mill Manufacturers Distributors Factories Companies There are 21 OEM 21 ODM 3 Self Patent Find high quality Grate Discharge Ball Mill Suppliers on Alibaba

The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill

grate discharge mill escondida - marcplantennl Working pricinple OF Grate discharge ball mill / bauxite ball mill / powder grinding mill Ball mill a kind of horizontal drum-type rotating device is a grate mill withexternal gear and double bins Materials shall be

The Escondida copper-gold-silver mine is located in the arid northern Atacama Desert of Chile about 160km southeast the port of Antofagasta at an elevation of 3 050m above sea level The mine is a joint venture between BHP-Billiton (57 5%) Rio Tinto (30%) a Japanese consortium (10%) and the


professional design mineral processing machine ball mill

Ball Mill Machine Ball Mill Machine Suppliers and There are 65 041 ball mill machine suppliers mainly located in Asia The top supplying countries or regions are China India and Taiwan China which supply 99% 1% and 1% of ball mill machine respectively

Grinding plant with SAG and tube mill for Gold/copper ore grinding in Australia This is the world's biggest SAG mill equipped with sliding shoe bearing arrangement and COMBIFLEX drive system (a favourably-priced alternative to the ring motors normally used with SAG mills of this size)

Grate Discharge Ball Mills Grates can be added to the discharge end of the ball mill to facilitate a steeper pulp gradient which helps to prevent over-grinding 2040 Ball Mills Ball Mills Brochure No 2040 06/02 24 ft x 30 ft - 14 000 HP Ball Mills

of grate/pulp lifter design in AG/SAG mill discharge The current understanding from literature lacks knowledge of mill content size distribution and its effect on discharge through the grate at various aperture sizes and radial positions It also indicates that in

discharge mill magnetic separator - discharge mill magnetic separator - jefflebobasketballcamp Magnetic Separation Technology Can Improve Grinding Circuit Magnetic Separation Technology Can Improve Grinding Circuit Efficiency The trunnion magnet is mounted at the SAG ball mill discharge point and is used in Magnetic Separation Recovery of

Standard Grate Magnets For many years Eriez permanent magnet grates have used ceramic or Alnico magnet materials as their energy source When built with Eriez–designed circuits these separators provide good magnetic fields for a nominal cost and satisfactorily remove both tramp and fine iron contaminants in most applications

A grate assembly at the discharge en d of the mill permits retention of a higher ball charge (up to 50%) than is possible in an overflow mill which has a practical limit of around 40% Behind the grates is a lifting compartment which picks up the ground material as it passes through the grates and transports it out of the mill

Grate Discharge Ball Mills Grates can be added to the discharge end of the ball mill to facilitate a steeper pulp gradient which helps to prevent over-grinding 2040 Ball Mills Ball Mills Brochure No 2040 06/02 24 ft x 30 ft - 14 000 HP Ball Mills

Copper Mine Ball Mill Operations

Escondida copper mine in Chile says to Nickel copper grate discharge ball mill also fitted with spiral classifier for copper in uganda taxi feb 25 the ugandan government has taken a step in the right direction by revamping copper mining operations at the old kilembe copper mine project in ball mill a

Dry ball mill discharge grate roperunners grate discharge for ball mill Overflow VS Grate Discharge Ball or Mill Why Retrofit The discharge end of the Grate Discharge Ball Mill has at least ten times the discharge opening area through the gratepared tomon trunnion overflow type mill The discharge grates are designed to run clean and free of

JXSC start the ball mill business since 1985 supply globally service includes design manufacturing installation and free operation training 【Type】 according to the discharge type overflow ball mill grate discharge ball mill according to the grinding conditions wet milling dry grinding according to the ball mill

Aug 01 20164 5 Aguada Escondida record The Groundwater Discharge Deposits of Aguada Escondida (ES 2517′10″S 6926′45″W 2782 m a s l ) occupy an area of 3 ha that is located 23 km to the SE of the Guanaco Mining District

This invention is directed to an improved rotary grinding mill such as a ball mill rod mill or an autogenous mill having an improved arrangement wherein the usual overflow or grate discharge arrangements are dispensed with in favor of an annular array of lifter segments providing a diaphragm having a radial clearance from the mill shell being spaced from the inner surface of the mill

Grate discharge ball mill High quality grate discharge ball mill companypenscoza the gratedischarge type of ball mill has a grate at the outlet of the shell and 2 to 3 chambers with grates and is best suited to produce products grinding from chat online ball mills high effici Detail Grate discharge ball mill for antimony ore hot sales

of overflow-discharge mills but not to the same extent in grate-discharge mills This pool is situated more or less symmetrically with respect to the axis of the mill and therefore does not draw significant power Austin recommends K = 10 6 for overflow semi-autogenous mills A value of K = 9 32 makes Austin's formula agree with Morrell's data

The commercially viable and industry accepted alternate is a grate discharge trunnion supported mill or a grate discharge shell supported mill using pulp lifters The only way to eliminate the problem of flow-back and carry-over of slurry and pebbles is by optimizing the design of the discharge arrangement

Pulp Lifters and Cone Discharge of SAG Mills Cone discharge design affect • Discharge flow capacity (then mill capacity) • Slurry trajectory • Slurry return from the trunnion • Use of the trommelarea for clasiffication • Excessive wear in preferential areas of the trommel 1 9 8 7 6 5 4 3 2 1 0 1 1 1 2 1 3 1 4 1 6 5

The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill AG/SAG mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill

Grate-discharge Type The grate-discharge type of Ball Mill has a grate at the outlet of the shell and causes less excessive grinding compared to the overflow type Therefore generally it is best suited to grind materials up to the particle sizes ranging from 60 to 100 mesh Compartment type

Grate discharge mills give less excessive grinding compared to overflow mills and are best suited to grinds to 150–250 μm In Figure 7 2 C the discharge opening is at the centre of the mill while the feed is from both ends of the mill The mills are therefore designated as a Centre Periphery Discharge mill

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